CN112342628B - Industrial textile product melt-blown method nozzle and spinneret plate thereof - Google Patents
Industrial textile product melt-blown method nozzle and spinneret plate thereof Download PDFInfo
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- CN112342628B CN112342628B CN202011207794.0A CN202011207794A CN112342628B CN 112342628 B CN112342628 B CN 112342628B CN 202011207794 A CN202011207794 A CN 202011207794A CN 112342628 B CN112342628 B CN 112342628B
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- plate
- spinneret
- industrial textile
- hole
- forming plate
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
Abstract
The invention provides a melt-blowing nozzle for industrial textile products and a spinneret plate thereof, which comprise a forming plate, wherein spinneret holes are densely distributed on the forming plate, and the forming plate is provided with a steam generator for releasing steam to the upper surface of the forming plate, so that the technical problem of inconsistent cooling speed of inner and outer fiber bundles is solved.
Description
Technical Field
The invention relates to a melt-blowing method nozzle for industrial textile products and a spinneret plate thereof.
Background
Polyethylene terephthalate (PET) has the characteristics of high mechanical property, wear resistance, creep resistance, good electrical insulation property and the like, is rich in raw materials, and is the most rapidly developed synthetic fiber variety with the largest capacity in recent years. The PET superfine fiber is a high-technology and high-value-added product with excellent performance and unique style, and has wide application prospect in the fields of medium and high grade fabrics, buildings, biomedicine, industrial filtration, military protection, environmental protection and the like. There are many methods for preparing PET ultrafine fibers, in which a melt spinning method is one of the more industrial production applications at present, and a spinneret is an indispensable component of the melt spinning method.
For example, in the invention patent entitled "a multi-hole spinneret for melt-spun filaments", which is published by the prior art and is entitled as CN 106245121B, published by the publication date 2019.10.15, the arrangement of the spinneret holes on the spinneret is an elliptical arrangement, which means that the hole centers of the spinneret holes are located on concentric ellipses, the concentric ellipses are a series of ellipses, and the major axes of all the ellipses are collinear, and the minor axes are collinear. The effective area of the spinneret plate is the same, the number of the elliptically arranged layers of the spinneret orifices is less than that of the circularly arranged layers, and the number of the elliptically arranged holes of the spinneret orifices is more than that of the circularly arranged holes. After the fiber bundles extend out of the spinneret orifices, the heat loss of the fiber bundles on the outer side is more than that of the fiber bundles on the inner side, so that the cooling conditions of the fiber bundles on the inner side and the outer side are inconsistent with the cooling time, the difference of the cooling speed of the fiber bundles on the inner side and the outer side is larger, and the quality consistency of the fiber bundles is reduced.
Disclosure of Invention
The invention provides a melt-blowing method nozzle for industrial textile products and a spinneret plate thereof, which aim to solve the technical problem of inconsistent cooling speed of inner and outer fiber bundles.
The technical scheme of the invention is realized as follows: a spinneret plate for industrial textile products comprises a forming plate, spinneret orifices are densely distributed on the forming plate, and a steam generator for releasing steam to the upper surface of the forming plate is arranged on the forming plate.
Furthermore, the upper surface of the forming plate is provided with a pressure balance hole, the pressure balance hole is communicated with the outside, the drift diameter of the pressure balance hole is in inverse proportion to the distance from the pressure balance hole to the steam generator, a cover plate is arranged above the forming plate, a connecting cylinder is arranged between the forming plate and the cover plate, and the cover plate is provided with a penetrating hole which corresponds to the spinneret orifice and is used for allowing the fiber bundle to penetrate out.
Furthermore, the cover plate is provided with an air inlet nozzle which is communicated with the penetrating hole.
Further, the circumference side of apron is equipped with fixed screw hole, fixed screw hole threaded connection has ferromagnetic action spare, the connecting cylinder is equipped with the rotation and dodges the groove, ferromagnetic action spare passes to rotate and dodges groove and fixed screw hole threaded connection so that the apron avoids apron and connecting cylinder to break away from when connecting cylinder pivoted relatively, rotate and dodge the groove about both ends all be equipped with the electro-magnet in order to make the corresponding deflection of ferromagnetic action spare when starting one of them electro-magnet.
Further, the diameter of the opening at the upper end of the penetrating hole is larger than that of the opening at the lower end of the penetrating hole.
Furthermore, the ferromagnetic action piece comprises a connecting column in threaded connection with the fixed threaded hole and a ferromagnetic block fixedly connected with the connecting column.
Furthermore, the pressure balance hole is communicated with the outside through a parallel hole, and the air inlet nozzle is communicated with the penetrating hole through a communicating inner hole.
Furthermore, the spinneret orifices are uniformly distributed from inside to outside in the radial direction, and the pressure balance holes are positioned between the adjacent spinneret orifices.
A melt-blowing nozzle for an industrial textile-made product, comprising a spinneret for an industrial textile-made product as claimed in any one of the preceding claims.
By adopting the technical scheme, the invention has the beneficial effects that: according to the melt-blowing method nozzle for the industrial textile product and the spinneret plate thereof, the spinneret holes are densely distributed on the forming plate, after the fiber bundles extend out of the spinneret holes, the heat loss of the fiber bundles on the outer side is more than that of the fiber bundles on the inner side, so that the cooling conditions of the fiber bundles on the inner side and the outer side are inconsistent with the cooling time, the steam generator releases steam on the upper surface of the forming plate, the steam spreads on the upper surface of the forming plate, the cooling speeds of the fiber bundles on the inner side and the outer side are close to the same, and the quality consistency of the fiber bundles is improved.
Furthermore, the upper end and the lower end of the connecting cylinder are respectively plugged by the forming plate and the cover plate, so that a relatively closed space is formed in the connecting cylinder, the heat loss of steam is reduced, and the temperature consistency in the connecting cylinder is improved; the steam pressure is larger near the steam generator, and the pressure balancing hole releases a part of pressure of the high-pressure steam, so that the pressure in each part of the connecting cylinder is close to the same.
Furthermore, the cover plate can rotate relative to the connecting cylinder, so that the fiber bundle can be repeatedly tightened within a small angle range, the stress of the fiber bundle is released, and the performance of the fiber bundle is improved; the temperature of the fiber bundle is reduced to be below 100 ℃ through the steam, then high-pressure gas is introduced into the penetration hole through the air inlet nozzle, the fiber bundle is further cooled through an air cooling mode, namely the fiber bundle is cooled through a two-step cooling mode, the temperature reduction of the fiber bundle is buffered, the fiber bundle is prevented from becoming brittle, and the performance of the fiber bundle is improved.
Furthermore, the diameter of the opening at the upper end of the penetrating hole is larger than that of the opening at the lower end, so that the wind direction of the wind discharged from the opening at the upper end of the penetrating hole is inclined to the outer side of the fiber bundle while a small amount of pressure is lost to pressurize the inside of the connecting cylinder, and the adjacent fiber bundles are prevented from being twisted due to the Bernoulli effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the configuration of one of the angles of the spinneret of the present invention;
FIG. 2 is a schematic view of another embodiment of an angle of a spinneret plate according to the present invention;
fig. 3 is an exploded view of a spinneret plate according to the present invention;
FIG. 4 is a schematic structural view of a molding plate according to the present invention;
FIG. 5 is a schematic view of the cover plate according to the present invention;
FIG. 6 is a structural sectional view of the cover plate of the present invention;
fig. 7 is a schematic structural view of the connector barrel of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment 1 of a spinneret for industrial textile products, as shown in fig. 1-7, comprises a forming plate 1, wherein spinneret holes 2 are densely distributed on the forming plate, and the forming plate is provided with a steam generator 3 for releasing steam to the upper surface of the forming plate. Because the spinneret orifices 2 are densely distributed on the forming plate 1, after the fiber bundles extend out of the spinneret orifices 2, the heat loss of the fiber bundles on the outer side is more than that of the fiber bundles on the inner side, so that the cooling conditions of the fiber bundles on the inner side and the outer side are inconsistent with the cooling time, the steam generator 3 releases steam on the upper surface of the forming plate, the steam spreads on the upper surface of the forming plate, the cooling speeds of the fiber bundles on the inner side and the outer side are close to consistency, and the consistency of the quality of the fiber bundles is improved.
An embodiment 2 of a spinneret plate for industrial textile products, as shown in fig. 1-7, comprises a forming plate 1, spinneret holes 2 densely distributed on the forming plate, a steam generator 3 for releasing steam to the upper surface of the forming plate, a pressure balance hole 4 arranged on the upper surface of the forming plate, the pressure balance hole communicating with the outside, the diameter of the pressure balance hole being inversely proportional to the distance from the pressure balance hole to the steam generator, a cover plate 5 arranged above the forming plate, a connecting cylinder 6 arranged between the forming plate and the cover plate, and a through hole 7 arranged on the cover plate and corresponding to the spinneret holes and used for allowing a fiber bundle to pass through. The upper end and the lower end of the connecting cylinder 6 are respectively blocked by a forming plate and a cover plate, so that a relatively closed space is formed in the connecting cylinder 6, the heat loss of steam is reduced, and the consistency of the temperature in the connecting cylinder 6 is improved; the steam pressure is larger near the steam generator 3, and the pressure balancing hole releases a part of the pressure of the high-pressure steam, so that the pressure in each part of the connecting cylinder 6 is close to be consistent.
An embodiment 3 of a spinneret plate for industrial textile products, as shown in fig. 1-7, comprises a forming plate 1, spinneret holes 2 densely distributed on the forming plate, a steam generator 3 for releasing steam to the upper surface of the forming plate, a pressure balance hole 4 arranged on the upper surface of the forming plate, the pressure balance hole communicating with the outside, the diameter of the pressure balance hole being inversely proportional to the distance from the pressure balance hole to the steam generator, a cover plate 5 arranged above the forming plate, a connecting cylinder 6 arranged between the forming plate and the cover plate, the cover plate having a through hole 7 corresponding to the spinneret hole for fiber bundle to pass through, the cover plate having an air inlet nozzle 8 communicating with the through hole, a fixing threaded hole 9 arranged on the circumferential side surface of the cover plate, a ferromagnetic actuating member 10 connected with the fixing threaded hole by threads, a rotation avoiding groove 11 arranged on the connecting cylinder, the ferromagnetic actuating member passing through the rotation avoiding groove and being connected with the fixing threaded hole by threads so that the cover plate can rotate relative to the connecting cylinder while avoiding the cover plate from being separated from the connecting cylinder, electromagnets 12 are arranged at the left end and the right end of the rotation avoidance groove, so that when one of the electromagnets is started, the ferromagnetic action piece correspondingly deflects. The cover plate can rotate relative to the connecting cylinder, so that the fiber bundle can be repeatedly tightened within a small angle range, the stress of the fiber bundle is released, and the performance of the fiber bundle is improved; the temperature of the fiber bundle is reduced to be below 100 ℃ through the steam, then high-pressure gas is introduced into the penetration hole through the air inlet nozzle 8, the fiber bundle is further cooled through an air cooling mode, namely the fiber bundle is cooled through a two-step cooling mode, the temperature reduction of the fiber bundle is buffered, the fiber bundle is prevented from becoming brittle, and the performance of the fiber bundle is improved.
An industrial textile product spinneret plate of example 4 is different from the spinneret plates of examples 1 to 3 in that the diameter of the upper opening of the through hole is larger than that of the lower opening. The diameter of the upper end opening of the penetrating hole is larger than that of the lower end opening, so that when a small amount of pressure is lost to pressurize the connecting cylinder, the wind direction of the wind discharged from the upper end opening of the penetrating hole is inclined to the outer side of the fiber bundle, and the phenomenon that adjacent wire bundles are twisted due to the Bernoulli effect is avoided.
An embodiment 5 of a spinneret plate for industrial textile products is different from embodiments 1-4 in that a ferromagnetic action piece comprises a connecting column 13 in threaded connection with a fixed threaded hole and a ferromagnetic block 14 fixedly connected with the connecting column, a pressure balance hole is communicated with the outside through a parallel hole 15, an air inlet nozzle is communicated with a through hole through a communication inner hole 16, spinneret holes are uniformly distributed from inside to outside in a radial direction, and the pressure balance hole is positioned between adjacent spinneret holes.
An embodiment of a melt-blowing nozzle for an industrial textile product, comprising a spinneret for an industrial textile product as described in any of the above embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The spinneret plate for industrial textile products comprises a forming plate and is characterized in that spinneret holes are densely distributed in the forming plate, the forming plate is provided with a steam generator which releases steam to the upper surface of the forming plate, the upper surface of the forming plate is provided with a pressure balancing hole, the pressure balancing hole is communicated with the outside, the drift diameter of the pressure balancing hole is in inverse proportion to the distance from the pressure balancing hole to the steam generator, a cover plate is arranged above the forming plate, a connecting cylinder is arranged between the forming plate and the cover plate, and the cover plate is provided with a penetrating hole which corresponds to the spinneret holes and is used for allowing a fiber bundle to penetrate out.
2. The spinneret plate for industrial textile goods as claimed in claim 1 wherein said cover plate is provided with an inlet nozzle, said inlet nozzle communicating with said exit aperture.
3. The spinneret plate for industrial textile products according to claim 2, wherein the circumferential side of the cover plate is provided with a fixing threaded hole, the fixing threaded hole is in threaded connection with a ferromagnetic actuating member, the connecting cylinder is provided with a rotation avoiding groove, the ferromagnetic actuating member passes through the rotation avoiding groove and is in threaded connection with the fixing threaded hole, so that the cover plate can rotate relative to the connecting cylinder while the cover plate is prevented from being separated from the connecting cylinder, and electromagnets are arranged at the left end and the right end of the rotation avoiding groove to enable the ferromagnetic actuating member to deflect correspondingly when one of the electromagnets is activated.
4. The spinneret plate for industrial textile products according to claim 3 wherein said exit orifices have an upper end opening diameter greater than a lower end opening diameter.
5. The spinneret plate for industrial textile products according to claim 4, wherein said ferromagnetic actuator comprises a connection post for being screwed into a fixing threaded hole, and a ferromagnetic block fixedly connected to the connection post.
6. The spinneret plate for industrial textile products of claim 5 wherein said pressure equalizing holes are in communication with the outside through parallel holes and said nozzles are in communication with said exit holes through communication bores.
7. The spinnerette for industrial spun products of claim 6 wherein the orifices are evenly distributed radially from the inside to the outside and the pressure balancing orifices are located between adjacent orifices.
8. A melt-blowing nozzle for industrial textile goods, comprising a spinneret for industrial textile goods according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207794.0A CN112342628B (en) | 2020-11-03 | 2020-11-03 | Industrial textile product melt-blown method nozzle and spinneret plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207794.0A CN112342628B (en) | 2020-11-03 | 2020-11-03 | Industrial textile product melt-blown method nozzle and spinneret plate thereof |
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| Publication Number | Publication Date |
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| CN112342628A CN112342628A (en) | 2021-02-09 |
| CN112342628B true CN112342628B (en) | 2021-11-23 |
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| CN202011207794.0A Active CN112342628B (en) | 2020-11-03 | 2020-11-03 | Industrial textile product melt-blown method nozzle and spinneret plate thereof |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60167912A (en) * | 1984-02-09 | 1985-08-31 | Toray Ind Inc | Heat-treating device of yarn |
| WO1995007378A1 (en) * | 1993-09-08 | 1995-03-16 | Rieter Automatik Gmbh | Spin-die manifold |
| CN2816059Y (en) * | 2005-07-25 | 2006-09-13 | 江阴中绿化纤工艺技术有限公司 | Round urethane elastic fiber spin-duct |
| CN202989361U (en) * | 2012-10-17 | 2013-06-12 | 浙江华特斯聚合物科技有限公司 | Spinning box |
| CN203360640U (en) * | 2013-06-06 | 2013-12-25 | 浙江鑫勤锦纶有限公司 | Spinneret plate protective device |
| CN103952781A (en) * | 2014-05-15 | 2014-07-30 | 杨帆 | Dry method spinning device |
| CN205241867U (en) * | 2015-12-16 | 2016-05-18 | 台州市黄岩恒佳塑料有限公司 | Spinneret |
| CN106894100A (en) * | 2017-04-11 | 2017-06-27 | 湖北优布非织造布有限公司 | A kind of filament spinning component and its installation method |
| CN110565185A (en) * | 2019-09-19 | 2019-12-13 | 黄健达 | Polyester fiber spinning equipment capable of achieving forward flow spinning and uniform filament heating |
| CN209873196U (en) * | 2019-03-06 | 2019-12-31 | 浦江德工精密机械有限公司 | High-strength full-dull fiber spinneret plate |
| CN211112331U (en) * | 2019-10-29 | 2020-07-28 | 苏州市吴中喷丝板有限公司 | But quick assembly disassembly's novel melt-blown spinning subassembly |
| CN211546730U (en) * | 2019-10-11 | 2020-09-22 | 福建闽宏纤维有限公司 | Novel spinning channel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1132319A (en) * | 1978-08-30 | 1982-09-28 | Stanley E. Peacher | Melt-spinning acrylonitrile polymer |
| JP4946111B2 (en) * | 2006-03-20 | 2012-06-06 | 東レ株式会社 | Synthetic fiber melt spinning apparatus and synthetic fiber manufacturing method |
| CN201648571U (en) * | 2010-04-16 | 2010-11-24 | 绍兴市云翔化纤有限公司 | Slow cooling device of spinning machine |
| CN201835015U (en) * | 2010-10-22 | 2011-05-18 | 中国石油化工集团公司 | Spinneret plate for dry spinning of high-performance polyethylene fibers |
| CN206902300U (en) * | 2017-05-07 | 2018-01-19 | 光山县群力化纤有限公司 | A kind of ring blowing spinning cooling device |
| US11702767B2 (en) * | 2017-05-12 | 2023-07-18 | John RAWLINS | Nozzle and a method for the production of micro and nanofiber nonwoven mats |
-
2020
- 2020-11-03 CN CN202011207794.0A patent/CN112342628B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60167912A (en) * | 1984-02-09 | 1985-08-31 | Toray Ind Inc | Heat-treating device of yarn |
| WO1995007378A1 (en) * | 1993-09-08 | 1995-03-16 | Rieter Automatik Gmbh | Spin-die manifold |
| CN2816059Y (en) * | 2005-07-25 | 2006-09-13 | 江阴中绿化纤工艺技术有限公司 | Round urethane elastic fiber spin-duct |
| CN202989361U (en) * | 2012-10-17 | 2013-06-12 | 浙江华特斯聚合物科技有限公司 | Spinning box |
| CN203360640U (en) * | 2013-06-06 | 2013-12-25 | 浙江鑫勤锦纶有限公司 | Spinneret plate protective device |
| CN103952781A (en) * | 2014-05-15 | 2014-07-30 | 杨帆 | Dry method spinning device |
| CN205241867U (en) * | 2015-12-16 | 2016-05-18 | 台州市黄岩恒佳塑料有限公司 | Spinneret |
| CN106894100A (en) * | 2017-04-11 | 2017-06-27 | 湖北优布非织造布有限公司 | A kind of filament spinning component and its installation method |
| CN209873196U (en) * | 2019-03-06 | 2019-12-31 | 浦江德工精密机械有限公司 | High-strength full-dull fiber spinneret plate |
| CN110565185A (en) * | 2019-09-19 | 2019-12-13 | 黄健达 | Polyester fiber spinning equipment capable of achieving forward flow spinning and uniform filament heating |
| CN211546730U (en) * | 2019-10-11 | 2020-09-22 | 福建闽宏纤维有限公司 | Novel spinning channel |
| CN211112331U (en) * | 2019-10-29 | 2020-07-28 | 苏州市吴中喷丝板有限公司 | But quick assembly disassembly's novel melt-blown spinning subassembly |
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| CN112342628A (en) | 2021-02-09 |
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